104
FOUS53 KLSX 111106
AFMLSX
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAINT LOUIS MO
606 AM CDT TUE AUG 11 2026
ILZ100-101-MOZ061-063-064-112100-
MADISON IL-SAINT CLAIR IL-SAINT CHARLES MO-SAINT LOUIS MO-
SAINT LOUIS CITY MO-
INCLUDING THE CITIES OF ALTON, EDWARDSVILLE, BELLEVILLE, CAHOKIA,
SAINT CHARLES, AND SAINT LOUIS
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 77 97 76 94
TEMP 78 88 95 97 92 85 82 79 77 87 93 95 91 83 81 78 76 84 91 94 90
DEWPT 70 74 74 73 74 72 71 70 70 74 76 76 77 74 73 72 72 75 76 75 76
RH 76 63 51 46 56 65 69 74 79 65 58 54 64 74 77 82 87 74 62 54 64
WIND DIR S SW SW SW SW SW SW SW SW SW W SW S S S SE SE S SE E NE
WIND SPD 6 9 9 9 5 5 5 4 4 6 6 5 4 4 4 4 4 5 5 5 5
WIND GUST 17 19
CLOUDS SC SC B1 SC SC SC SC FW FW SC SC SC SC SC B1 B1 B1 B1 SC SC B1
POP 12HR 5 10 20 30 20
QPF 12HR 0.00-0.14 0.00-0.15 0.00-0.19 0.00-0.12 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S S S S
TSTMS S C C S S S S S
HEAT INDEX 96106107101 91 86 80 96106109104 90 85 92103106102
MAX HEAT 85 110 111 101 90 110 115 103 88 107 112
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 92 75 97 77 96 73 87
TEMP 79 74 89 89 79 75 94 93 81 78 94 91 78 74 85 82
DEWPT 73 71 76 76 73 70 74 75 70 68 73 74 72 71 74 73
PWIND DIR E E SE S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC SC
POP 12HR 40 10 10 5 5 5 30 20
RAIN SHWRS S C S C S
TSTMS S C S C S
MOZ049-050-112100-
OSAGE MO-CALLAWAY MO-
INCLUDING THE CITY OF FULTON
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 76 97 76 95
TEMP 77 86 93 96 92 83 81 78 76 85 92 94 90 82 80 78 76 83 91 94 90
DEWPT 69 72 73 72 73 71 70 69 69 73 74 74 76 73 71 70 70 73 74 73 75
RH 76 63 52 46 54 67 69 74 79 67 56 53 64 74 74 76 82 72 58 51 62
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW S SW S S S SW S E
WIND SPD 8 9 9 8 4 5 5 5 5 8 6 6 4 4 4 5 4 5 5 6 4
WIND GUST 20 23 20 19 19 17
CLOUDS FW SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC B1 SC SC SC SC
POP 12HR 5 5 10 10 10
QPF 12HR 0 0 0 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S S
TSTMS S S S S S S S
HEAT INDEX 92102105101 88 84 92102105101 88 83 89100103 99
MAX HEAT 83 105 109 99 87 106 111 102 86 104 107
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 94 75 97 76 95 72 85
TEMP 78 74 90 89 79 75 93 91 80 76 92 89 76 72 82 81
DEWPT 72 71 73 74 71 68 71 72 68 67 71 72 71 70 73 72
PWIND DIR E SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 5 5 5 5 5 30 20
RAIN SHWRS S C C S S
TSTMS S C C S S
MOZ042-112100-
AUDRAIN MO-
INCLUDING THE CITY OF MEXICO
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 94 75 92 74 90
TEMP 77 85 91 94 90 82 80 77 76 84 89 91 89 81 78 76 74 81 87 90 87
DEWPT 68 73 74 74 74 72 69 68 69 73 75 75 76 73 71 70 70 73 75 74 75
RH 74 67 58 53 60 72 69 74 79 70 64 60 66 77 79 82 87 77 68 60 68
WIND DIR SW SW SW SW SW SW SW SW S SW SW SW SW S E E SE E SE E NE
WIND SPD 11 13 12 11 5 5 5 5 6 10 8 8 4 6 5 5 5 6 8 8 6
WIND GUST 23 24 23
CLOUDS FW SC B1 SC SC SC FW FW SC SC SC SC SC SC SC B1 B1 B1 SC SC SC
POP 12HR 5 5 10 30 30
QPF 12HR 0 0 0 0.04 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C S S S
TSTMS S C C C C S S S
HEAT INDEX 92101104100 86 81 90 99102100 85 86 96 99 96
MAX HEAT 103 106 98 83 102 106 99 99 102
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 71 89 73 93 75 90 69 83
TEMP 75 71 86 87 77 73 90 90 79 75 88 86 73 70 80 80
DEWPT 72 70 74 75 71 68 73 73 68 67 72 73 71 69 72 71
PWIND DIR E SE SE SW S W N N
WIND CHAR LT GN GN GN LT GN LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW FW FW SC SC SC SC B1 SC
POP 12HR 50 10 10 5 10 10 30 20
RAIN SHWRS S C S C S
TSTMS S C S C S
MOZ041-047-048-112100-
BOONE MO-MONITEAU MO-COLE MO-
INCLUDING THE CITIES OF COLUMBIA AND JEFFERSON CITY
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 78 97 77 96
TEMP 78 87 94 97 93 84 82 80 78 86 93 96 92 83 81 79 77 84 91 95 91
DEWPT 68 72 73 72 73 71 70 69 69 73 74 74 75 72 71 70 70 73 74 73 74
RH 71 61 51 45 52 65 67 69 74 65 54 49 58 70 72 74 79 70 58 49 58
WIND DIR SW SW SW SW SW SW SW S S SW SW SW SW S S SE SE S SW S E
WIND SPD 8 9 9 8 4 4 4 4 4 6 6 6 4 4 4 4 4 5 5 5 4
WIND GUST 23 24 21 19 14 16 19 17 14 14
CLOUDS FW SC SC SC SC SC SC FW SC SC SC SC FW SC SC SC B1 SC SC SC SC
POP 12HR 5 5 5 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S
TSTMS C C S S S
HEAT INDEX 94103106102 89 85 81 93103107103 89 85 80 90101105100
MAX HEAT 84 106 109 101 87 109 113 102 86 105 110
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 95 76 97 77 95 72 86
TEMP 79 75 91 90 80 77 93 92 81 77 92 89 77 73 83 82
DEWPT 72 71 73 74 71 68 72 72 68 67 71 73 71 70 73 72
PWIND DIR E SE SE SW SW W NE N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC FW SC FW FW FW SC SC SC SC SC SC
POP 12HR 20 5 5 5 10 10 30 20
RAIN SHWRS S C C S S
TSTMS S C C S S
ILZ095>097-MOZ018-019-026-027-034>036-112100-
ADAMS IL-BROWN IL-PIKE IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-
MONROE MO-RALLS MO-PIKE MO-
INCLUDING THE CITIES OF QUINCY, MOUNT STERLING, PITTSFIELD,
HANNIBAL, AND BOWLING GREEN
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 94 75 93 73 89
TEMP 77 86 92 94 90 82 79 77 76 84 88 91 89 80 77 75 73 79 85 88 85
DEWPT 69 73 74 73 74 74 72 71 70 74 76 76 77 74 73 72 71 75 76 75 76
RH 76 65 56 51 60 77 79 82 82 72 68 62 68 82 87 90 93 88 75 66 75
WIND DIR SW SW SW SW SW SW S S S SW S S S NE NE E E E E NE NE
WIND SPD 9 10 10 10 5 3 3 3 4 5 5 5 4 4 4 4 4 5 5 5 5
WIND GUST 24 25 23 21 13 13 14 16 19 17 16 14 14 16
CLOUDS SC SC B1 SC SC SC FW FW SC SC SC FW SC SC B1 B1 B2 B2 B1 B1 B1
POP 12HR 5 20 20 50 50
QPF 12HR 0.00-0.16 0.00-0.29 0.00-0.15 0.02-0.41 0.00-0.15
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C S S S C C L L S S C
TSTMS S S S C S S S C C L L S S C
HEAT INDEX 93101103 99 88 80 91 99103101 84 81 95 98 94
MAX HEAT 85 107 109 99 90 106 109 102 86 102 106
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 70 87 72 93 74 90 69 82
TEMP 74 70 84 85 75 73 89 90 78 75 87 85 73 69 80 79
DEWPT 72 70 75 76 72 70 75 76 70 69 74 75 72 69 72 72
PWIND DIR E E SE S S NW N N
WIND CHAR LT LT GN GN LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC SC SC SC FW FW SC SC SC SC SC SC
POP 12HR 70 30 20 10 20 20 30 20
RAIN SHWRS C L C S S S S S S C S
TSTMS C L C S S S S S S C S
ILZ069-074-112100-
CLINTON IL-WASHINGTON IL-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 76 96 76 94
TEMP 77 87 94 96 89 84 81 78 76 86 93 94 89 82 80 78 76 84 90 93 88
DEWPT 71 75 75 75 75 73 72 71 71 75 77 78 79 75 74 73 72 76 77 77 78
RH 82 68 54 51 64 70 74 79 85 70 60 60 73 79 82 85 87 77 66 60 72
WIND DIR S SW SW SW SW S SW SW SW SW SW SW S S SW SW S SW S E NE
WIND SPD 6 8 9 8 6 8 5 4 3 5 5 4 3 4 3 4 3 4 4 4 3
WIND GUST 18
CLOUDS SC SC SC SC SC SC SC FW FW FW SC FW SC SC B1 SC B1 B1 SC SC B1
POP 12HR 5 10 20 40 30
QPF 12HR 0.00-0.15 0.00-0.22 0.00-0.17 0.05-0.13 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S C C S S C C S
TSTMS S S S S S C C S S C C S
HEAT INDEX 96106108 99 90 85 95107111105 89 85 92104107102
MAX HEAT 85 109 111 98 93 110 115 103 90 106 110
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 91 74 96 76 96 73 87
TEMP 78 74 88 87 77 74 93 91 80 76 94 90 77 73 85 82
DEWPT 74 72 77 77 73 71 76 76 71 69 74 75 73 71 75 74
PWIND DIR E E E S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 SC FW SC FW FW FW FW FW FW SC SC SC
POP 12HR 40 20 5 10 5 5 20 20
RAIN SHWRS S C S S S S S
TSTMS S C S S S S S
ILZ070-112100-
MARION IL-
INCLUDING THE CITIES OF CENTRALIA AND SALEM
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 95 76 94 75 91
TEMP 77 86 92 95 88 83 80 78 76 85 91 93 87 81 79 77 75 82 88 91 86
DEWPT 71 74 74 74 74 72 72 71 71 74 76 76 76 74 73 72 72 75 76 76 75
RH 82 68 56 51 63 70 77 79 85 70 62 58 70 79 82 85 90 79 68 62 70
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW S SW SW N S S SE NE NE
WIND SPD 6 9 9 9 6 8 5 5 3 5 5 5 3 3 3 3 3 4 4 4 3
CLOUDS SC SC SC SC SC SC B1 FW FW FW SC SC SC SC B1 B1 B1 B1 B1 SC B1
POP 12HR 5 30 30 50 30
QPF 12HR 0 0.01-0.20 0 0.07 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S S C C C C S S C
TSTMS C S S S S C C C C S S C
HEAT INDEX 94103105 97 88 83 93104106 98 86 80 89 99103 96
MAX HEAT 106 107 95 84 107 110 94 103 106
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 73 89 73 94 75 94 72 86
TEMP 77 73 86 85 76 73 91 88 79 76 92 88 77 73 84 81
DEWPT 73 71 75 74 72 71 75 75 70 69 73 74 72 71 73 71
PWIND DIR NE E E S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 SC FW SC SC FW FW FW FW FW SC SC SC
POP 12HR 50 20 10 5 5 5 20 20
RAIN SHWRS C C S S S S
TSTMS C C S S S S
MOZ074-084-085-099-112100-
SAINT FRANCOIS MO-IRON MO-MADISON MO-REYNOLDS MO-
INCLUDING THE CITY OF FARMINGTON
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 75 97 76 96
TEMP 75 86 94 96 91 82 79 77 76 86 94 95 90 81 79 77 76 85 93 96 91
DEWPT 68 71 71 71 72 71 70 69 69 72 73 72 73 72 70 69 69 72 72 72 74
RH 79 61 47 45 54 69 74 76 79 63 51 48 58 74 74 76 79 65 51 46 58
WIND DIR S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW S
WIND SPD 3 5 5 5 3 4 3 3 3 4 4 4 2 3 2 3 3 3 4 4 2
WIND GUST 18 18 16 16 13 16 16 14 14 16 14 12 13 14 16 14 14 14 14
CLOUDS FW CL FW FW FW FW FW FW FW FW SC FW SC SC SC SC B1 SC SC FW SC
POP 12HR 0 5 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 92101103 98 86 81 92103104 98 85 80 91102105100
MAX HEAT 105 107 96 85 109 112 98 83 109 111
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 96 74 97 75 98 74 91
TEMP 79 75 93 91 78 75 95 92 79 76 95 92 78 74 88 85
DEWPT 70 69 72 73 70 68 69 70 67 65 67 69 68 68 72 73
PWIND DIR SE SE SE SW S W NW N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW FW SC FW FW FW FW FW FW FW SC SC
POP 12HR 5 5 5 0 0 5 10 30
RAIN SHWRS S S C
TSTMS S S C
MOZ051-060-112100-
MONTGOMERY MO-WARREN MO-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 75 95 74 93
TEMP 76 86 93 96 91 83 80 77 75 84 91 94 90 81 79 76 74 82 90 93 89
DEWPT 69 73 74 73 74 72 70 69 70 74 76 76 77 74 72 71 71 75 76 75 76
RH 79 65 54 48 58 70 72 76 84 72 62 56 66 79 79 85 90 79 64 56 66
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW S SW SE SE SE S SE NE
WIND SPD 6 8 8 6 3 3 4 4 4 5 5 4 2 3 3 3 3 4 4 4 3
WIND GUST 20 21 20 18 17 14
CLOUDS FW SC SC SC SC SC FW FW FW SC SC SC SC SC B1 SC B1 B1 SC SC SC
POP 12HR 5 10 10 30 20
QPF 12HR 0 0 0 0.00-0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S S
TSTMS C C S S S S S
HEAT INDEX 93103106101 88 82 92104107104 87 80 88101104100
MAX HEAT 107 110 99 85 109 114 103 84 106 110
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 72 92 73 96 74 94 70 85
TEMP 77 72 89 88 78 73 93 91 79 75 92 89 75 71 82 81
DEWPT 73 71 76 76 72 69 73 75 70 68 73 74 72 71 74 73
PWIND DIR E SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 40 10 10 5 5 5 30 20
RAIN SHWRS S C C S
TSTMS S C C S
MOZ052-112100-
LINCOLN MO-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 76 95 75 93
TEMP 77 87 94 96 91 84 81 78 76 86 92 93 91 82 80 77 75 82 90 92 89
DEWPT 70 73 74 73 74 73 71 70 70 75 76 76 77 75 73 72 71 75 76 75 76
RH 79 63 53 48 58 70 72 76 82 70 60 58 64 79 79 85 87 79 64 58 66
WIND DIR S SW SW SW SW SW SW SW SW SW W S S S E E SE E E E E
WIND SPD 6 8 8 6 3 3 3 3 3 5 5 4 2 3 2 2 3 4 4 4 3
WIND GUST 19 21 19 17 13 13 16
CLOUDS FW SC SC SC SC SC FW FW FW FW FW SC SC SC B1 B1 B1 B1 SC SC SC
POP 12HR 5 10 10 40 30
QPF 12HR 0.00-0.12 0.00-0.11 0.00-0.08 0.02 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C S S S
TSTMS S C C C C S S S
HEAT INDEX 94104106102 90 85 94104107105 89 82 89101104101
MAX HEAT 107 107 99 89 109 111 103 85 105 107
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 72 91 74 95 75 94 71 86
TEMP 77 72 88 88 78 74 93 92 80 76 92 90 76 72 83 82
DEWPT 73 71 76 76 73 70 74 75 70 68 73 74 72 71 74 72
PWIND DIR E E SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC SC
POP 12HR 50 10 10 5 10 5 30 20
RAIN SHWRS S C S C S
TSTMS S C S C S
ILZ058-059-098-099-112100-
GREENE IL-MACOUPIN IL-CALHOUN IL-JERSEY IL-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 94 74 93 73 91
TEMP 76 86 92 94 89 82 79 76 75 85 90 92 88 80 78 75 74 81 88 90 87
DEWPT 70 74 74 73 74 73 71 70 70 74 75 76 76 74 73 72 72 74 75 75 75
RH 82 68 56 51 61 74 77 82 84 70 62 60 68 82 85 90 93 79 66 62 68
WIND DIR S SW SW SW SW SW SW SW S SW W SW S E E E E E E E NE
WIND SPD 8 10 10 9 5 4 4 4 3 5 5 5 3 4 4 3 4 5 5 5 5
WIND GUST 18
CLOUDS SC SC B1 SC SC B1 FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 20 30 50 40
QPF 12HR 0.00-0.18 0.00-0.30 0.00-0.19 0.02-0.08 0.00-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S S S C S S C C C C S S C
TSTMS C S S S C S S C C C C S S C
HEAT INDEX 94102104 98 87 80 92101104100 84 87 97100 96
MAX HEAT 83 107 109 99 87 107 110 105 85 103 107
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 70 88 71 94 74 93 69 84
TEMP 75 71 85 85 76 72 91 90 79 75 90 87 74 71 82 81
DEWPT 73 71 74 75 72 70 75 75 71 69 73 74 72 70 72 71
PWIND DIR E E SE S S W N N
WIND CHAR LT LT GN LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 SC SC SC SC FW FW FW SC SC SC SC SC
POP 12HR 60 20 10 5 10 5 30 20
RAIN SHWRS C L S S C S S
TSTMS C L S S C S S
ILZ060-064-065-112100-
MONTGOMERY IL-BOND IL-FAYETTE IL-
INCLUDING THE CITIES OF LITCHFIELD AND VANDALIA
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 93 74 93 73 90
TEMP 76 85 91 93 87 81 78 76 74 84 90 91 87 80 78 75 73 81 87 89 86
DEWPT 70 75 74 74 75 73 71 70 70 75 77 77 77 74 73 72 72 75 76 76 76
RH 82 72 58 54 68 77 79 82 87 74 66 64 72 82 85 90 97 82 70 66 72
WIND DIR S SW SW SW SW SW SW SW SW SW W SW S SE E E E NE E NE NE
WIND SPD 6 9 9 9 6 5 4 4 3 5 5 5 3 3 3 3 3 4 4 4 3
CLOUDS SC SC SC SC SC SC SC FW FW SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 30 30 50 40
QPF 12HR 0.00-0.08 0.05-0.42 0.00-0.19 0.03-0.09 0.01-0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S C S S C C C C S S C
TSTMS C S C S S C C C C S S C
HEAT INDEX 94101104 96 86 92103105 98 83 87 98101 96
MAX HEAT 85 106 107 98 93 109 112 102 90 103 107
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 71 87 71 92 74 92 70 85
TEMP 76 71 84 84 75 72 90 88 78 75 90 87 75 71 82 80
DEWPT 73 70 75 75 72 70 76 76 71 69 75 75 72 70 73 72
PWIND DIR E E E S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC
POP 12HR 60 20 10 5 10 5 30 20
RAIN SHWRS C L S C S S
TSTMS C L S C S S
ILZ079-112100-
RANDOLPH IL-
INCLUDING THE CITIES OF CHESTER AND SPARTA
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 76 98 75 96
TEMP 76 87 94 96 91 85 81 78 76 87 94 96 92 83 81 78 75 85 92 95 91
DEWPT 70 74 74 73 73 73 72 71 70 75 76 77 78 75 73 72 71 76 77 76 78
RH 82 65 53 48 56 67 74 79 82 68 56 55 64 77 77 82 87 75 62 54 66
WIND DIR S SW SW SW SW S SW SW SW SW SW SW S SW SW SW S SW SW W E
WIND SPD 6 8 8 6 5 8 6 5 4 5 5 4 3 5 4 4 4 4 4 4 4
CLOUDS FW FW FW FW FW FW SC FW FW CL SC FW SC SC SC B1 B1 SC SC SC SC
POP 12HR 5 5 20 30 20
QPF 12HR 0.00-0.07 0 0.00-0.24 0.00-0.10 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C S S S S S
TSTMS S C C S S S S S
HEAT INDEX 96104106100 91 86 96107111107 90 85 94105109105
MAX HEAT 107 109 97 88 111 114 103 86 109 113
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 94 74 98 76 99 73 88
TEMP 80 74 91 90 79 74 94 93 81 77 96 92 78 73 86 83
DEWPT 73 71 76 77 73 70 73 75 70 67 72 74 71 70 75 75
PWIND DIR E E SE S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC FW FW FW FW FW FW FW FW FW SC SC
POP 12HR 20 10 5 5 5 0 20 20
RAIN SHWRS S S S S S S
TSTMS S S S S S S
MOZ075-112100-
SAINTE GENEVIEVE MO-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 77 98 76 97
TEMP 76 87 95 97 92 85 82 79 77 86 95 97 91 83 81 79 76 84 93 96 91
DEWPT 69 72 72 72 72 72 70 69 69 73 74 74 75 73 71 70 70 74 74 74 76
RH 79 61 48 45 52 65 67 72 76 65 51 48 60 72 72 74 82 72 54 49 62
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW SW E
WIND SPD 8 9 8 6 5 8 6 6 5 6 5 5 4 5 5 6 5 5 5 5 4
WIND GUST 18 17
CLOUDS FW FW FW FW FW SC FW FW FW CL SC FW SC SC SC B1 B1 SC SC SC SC
POP 12HR 0 5 10 5 10
QPF 12HR 0 0 0.00-0.12 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
TSTMS S S
HEAT INDEX 94103105100 91 86 94106108103 90 85 92104107103
MAX HEAT 107 107 97 88 111 114 102 86 109 111
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 95 75 98 77 99 74 89
TEMP 80 75 92 91 80 75 95 93 82 78 97 93 79 74 87 84
DEWPT 71 70 74 76 71 68 71 72 68 66 69 72 69 69 73 74
PWIND DIR E E SE SW S W NW N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC FW FW SC FW FW FW FW FW FW FW SC SC
POP 12HR 10 10 5 5 0 5 20 20
RAIN SHWRS S S S
TSTMS S S S
MOZ059-062-112100-
GASCONADE MO-FRANKLIN MO-
INCLUDING THE CITIES OF WASHINGTON, UNION, AND SULLIVAN
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 76 98 76 96
TEMP 77 87 94 97 91 83 81 78 76 86 94 96 92 82 80 78 76 84 92 95 91
DEWPT 69 72 72 72 73 71 70 69 69 74 75 74 76 73 71 70 70 74 74 74 75
RH 76 61 49 45 56 67 69 74 79 68 54 49 60 74 74 76 82 72 56 51 60
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW E
WIND SPD 5 8 6 5 3 3 3 4 4 5 5 4 2 3 3 4 3 4 4 4 3
WIND GUST 18 19 17 13 14 14 14 17 13 16 13 14
CLOUDS FW SC SC SC SC SC FW FW FW SC FW SC SC SC SC SC B1 B1 SC SC B1
POP 12HR 0 5 10 10 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S
TSTMS S S S S S
HEAT INDEX 93103105100 88 84 94105107104 87 83 92103106102
MAX HEAT 106 109 98 85 109 113 103 84 107 110
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 95 74 98 75 97 72 87
TEMP 79 74 91 90 79 75 95 93 80 76 94 91 77 73 84 82
DEWPT 72 70 74 75 71 68 71 73 68 66 71 73 71 70 74 73
PWIND DIR E SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 5 5 5 5 5 30 20
RAIN SHWRS S S C S S
TSTMS S S C S S
MOZ072-073-112100-
CRAWFORD MO-WASHINGTON MO-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 77 97 77 96
TEMP 77 87 94 96 91 83 81 78 77 88 94 96 91 82 80 78 77 86 93 96 90
DEWPT 68 71 71 71 71 70 68 68 68 73 73 72 73 71 69 68 69 73 73 73 74
RH 74 59 47 45 52 65 65 71 74 61 51 46 56 69 69 71 76 65 52 48 60
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SE
WIND SPD 5 6 6 5 3 4 4 4 4 5 5 5 3 3 3 4 4 5 5 5 2
WIND GUST 18 19 17 16 13 16 16 16 16 17 13 16 17 16 16
CLOUDS FW FW SC FW SC SC SC FW FW FW SC SC SC SC SC SC B1 SC SC SC SC
POP 12HR 0 5 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
HEAT INDEX 93101104 98 87 83 95104106 99 86 83 93102105100
MAX HEAT 106 107 96 84 109 112 98 83 107 111
HEAT Y Y Y Y Y Y Y Y Y Y Y Y Y
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 96 75 98 76 97 73 88
TEMP 79 75 93 90 79 76 95 92 80 77 95 91 77 73 86 83
DEWPT 70 69 73 73 69 67 70 70 66 65 69 70 68 69 73 73
PWIND DIR SE SE SE SW S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC FW SC FW FW FW FW FW SC FW SC SC
POP 12HR 10 5 5 0 0 5 20 20
RAIN SHWRS S S S
TSTMS S S S
ILZ102-MOZ065-112100-
MONROE IL-JEFFERSON MO-
606 AM CDT TUE AUG 11 2026
DATE TUE 08/11/26 WED 08/12/26 THU 08/13/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 77 98 76 97
TEMP 77 88 95 97 92 84 81 79 77 88 95 97 92 83 80 78 76 85 93 96 91
DEWPT 69 73 73 72 73 71 70 69 69 75 76 75 76 74 72 70 70 75 76 76 76
RH 76 61 49 45 54 65 69 72 76 66 54 50 60 74 77 76 82 72 58 53 62
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW S SW SW SE E
WIND SPD 5 6 6 5 4 5 4 4 4 5 4 4 3 3 3 4 3 4 4 4 3
WIND GUST 17 17 16 14 14 13 13 16 13
CLOUDS FW SC SC FW SC SC SC FW FW FW SC SC SC SC SC B1 B1 B1 SC SC B1
POP 12HR 5 5 20 10 20
QPF 12HR 0 0 0.00-0.13 0.00-0.05 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S S S
TSTMS S S S S S S
HEAT INDEX 96105107101 90 85 97108110105 89 83 94106109103
MAX HEAT 109 110 100 86 111 114 102 85 110 113
EXTREME HEAT W W W W W W W W W W W W W
DATE FRI 08/14/26 SAT 08/15/26 SUN 08/16/26 MON 08/17/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 95 74 99 76 99 73 88
TEMP 79 74 92 90 79 75 96 93 81 77 96 93 78 73 86 83
DEWPT 72 70 76 76 72 69 73 74 68 66 72 73 71 70 75 74
PWIND DIR E E SE S S W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC
POP 12HR 20 10 5 5 5 0 20 20
RAIN SHWRS S S S S S
TSTMS S S S S S
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